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Archived App (Last seen on 31 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
About
This app uses your iPhone camera to detect invisible flicker from LED lights and screens. It measures flicker frequency and percentage, visualizing the light modulation to help you identify sources that may cause eye strain or discomfort.
✓Measures invisible LED flicker
✓Detects PWM flicker
✓Displays flicker frequency (Hz)
✓Shows flicker percentage
✓Visualizes light modulation waveform
✓Evaluates light source safety
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What's New in Flicker Meter+ Light
1.0.10
May 18, 2026
- Expanded ad attribution (SKAdNetwork) coverage for better measurement - Performance and stability improvements
User reviews
Developer apps
FAQ
What is Flicker Meter+ Light?
Flicker Meter+ Light is a utility app that uses your iPhone camera to detect and measure the invisible flicker emitted by LED lights, screens, and other light sources. It helps identify potentially harmful PWM flicker.
Does Flicker Meter+ Light have ads?
Yes, Flicker Meter+ Light contains advertisements. As it is a free application, ads are displayed to support its development and maintenance.
What devices does Flicker Meter+ Light support?
Flicker Meter+ Light is compatible with iPhone and iPod devices. It requires iOS 17.0 or later.
What is the age rating for Flicker Meter+ Light?
Flicker Meter+ Light has an age rating of 17+. This is due to the nature of the content it analyzes, which may be considered more technical or specialized.
How often is Flicker Meter+ Light updated?
Flicker Meter+ Light was last updated on May 18, 2026, with version 1.0.10. The release date was March 26, 2026, indicating relatively recent development activity.
Can Flicker Meter+ Light help with eye strain?
Yes, by detecting and visualizing harmful PWM flicker from light sources, Flicker Meter+ Light can help users identify and avoid lighting that may contribute to eye strain, headaches, and discomfort.
What information does Flicker Meter+ Light provide?
The app provides an instant reading of the flicker frequency in Hertz (Hz) and the flicker percentage. It also visualizes the light modulation waveform in real time.
Is Flicker Meter+ Light free to use?
Yes, Flicker Meter+ Light is available for free. However, it does include advertisements.